import type { ExposureRecord } from "@actuarial-ts/core";
import { z } from "zod";
/** Runtime schema for an exposure record after CSV field parsing. */
export declare const exposureRecordSchema: z.ZodEffects<z.ZodObject<{
    origin: z.ZodString;
    earnedPremium: z.ZodNullable<z.ZodNumber>;
    exposureUnits: z.ZodNullable<z.ZodNumber>;
}, "strict", z.ZodTypeAny, {
    origin: string;
    earnedPremium: number | null;
    exposureUnits: number | null;
}, {
    origin: string;
    earnedPremium: number | null;
    exposureUnits: number | null;
}>, {
    origin: string;
    earnedPremium: number | null;
    exposureUnits: number | null;
}, {
    origin: string;
    earnedPremium: number | null;
    exposureUnits: number | null;
}>;
export interface ExposureRowError {
    /** 1-based physical file line where the row starts. */
    row: number;
    message: string;
}
export interface ExposureParseResult {
    exposures: ExposureRecord[];
    errors: ExposureRowError[];
}
/**
 * Parses origin-period exposure data.
 *
 * Required header: `origin`, plus at least one of `earned_premium` or
 * `exposure_units`. Either numeric field may be blank on an individual row,
 * but not both. Extra source fields (for example gross written premium or a
 * source claim count) are intentionally preserved in the caller's source file
 * and ignored here rather than relabeled as an SDK measure.
 */
export declare function parseExposureCsv(text: string): ExposureParseResult;
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